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How to filter rows in pandas by regex
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200
Use contains instead:
In [10]: df.b.str.contains('^f')
Out[10]:
0 False
1 True
2 ...
Can CSS detect the number of children an element has?
...ild { */
width: 100%;
}
/* two items */
li:first-child:nth-last-child(2),
li:first-child:nth-last-child(2) ~ li {
width: 50%;
}
/* three items */
li:first-child:nth-last-child(3),
li:first-child:nth-last-child(3) ~ li {
width: 33.3333%;
}
/* four items */
li:first-child:nth-last-child...
How to Create Grid/Tile View?
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edited Feb 17 '16 at 20:13
altocumulus
17.9k1111 gold badges5353 silver badges6969 bronze badges
an...
How to diff a commit with its parent?
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answered Jan 12 '09 at 18:06
mipadimipadi
343k7777 gold badges491491 silver badges463463 bronze badges
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Split large string in n-size chunks in JavaScript
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22 Answers
22
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Python how to write to a binary file?
...and probably ought to, as it signals your intention better). But in Python 2.x, that won't work, because bytes is just an alias for str. As usual, showing with the interactive interpreter is easier than explaining with text, so let me just do that.
Python 3.x:
>>> bytearray(newFileBytes)
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Center a DIV horizontally and vertically [duplicate]
...it here working: http://jsbin.com/iquviq/30/edit
.content {
width: 200px;
height: 600px;
background-color: blue;
position: absolute; /*Can also be `fixed`*/
left: 0;
right: 0;
top: 0;
bottom: 0;
margin: auto;
/*Solves a ...
Rotating x axis labels in R for barplot
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labs <- paste(names(table(mtcars$cyl)), "cylinders")
text(cex=1, x=x-.25, y=-1.25, labs, xpd=TRUE, srt=45)
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Print second last column/field in awk
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286
awk '{print $(NF-1)}'
Should work
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How to remove multiple indexes from a list at the same time? [duplicate]
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240
You need to do this in a loop, there is no built-in operation to remove a number of indexes at...